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City Carrier Name:Oswego

This is the United States City Carrier Name:Oswego Area Code Database page list. You can click the title to browse the detail information.
Region Code: IL
Region Name National Destination Code Sn from Sn to Number Type
Illinois 331 2165000 2165999 G
Illinois 331 9993000 9993999 G
Illinois 630 6366000 6366999 G
Illinois 630 6369000 6369999 G